mirror of https://github.com/rust-lang/rust
75 lines
2.6 KiB
Rust
75 lines
2.6 KiB
Rust
//@ build-fail
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#![feature(repr_simd, intrinsics)]
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extern "rust-intrinsic" {
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fn simd_masked_load<M, P, T>(mask: M, pointer: P, values: T) -> T;
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fn simd_masked_store<M, P, T>(mask: M, pointer: P, values: T) -> ();
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}
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#[derive(Copy, Clone)]
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#[repr(simd)]
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struct Simd<T, const N: usize>([T; N]);
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fn main() {
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unsafe {
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let mut arr = [4u8, 5, 6, 7];
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let default = Simd::<u8, 4>([9; 4]);
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simd_masked_load(
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Simd::<i8, 8>([-1, 0, -1, -1, 0, 0, 0, 0]),
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arr.as_ptr(),
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default
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);
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//~^^^^^ ERROR expected third argument with length 8 (same as input type `Simd<i8, 8>`), found `Simd<u8, 4>` with length 4
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simd_masked_load(
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Simd::<i8, 4>([-1, 0, -1, -1]),
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arr.as_ptr() as *const i8,
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default
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);
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//~^^^^^ ERROR expected element type `u8` of second argument `*const i8` to be a pointer to the element type `u8` of the first argument `Simd<u8, 4>`, found `u8` != `*_ u8`
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simd_masked_load(
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Simd::<i8, 4>([-1, 0, -1, -1]),
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arr.as_ptr(),
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Simd::<u32, 4>([9; 4])
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);
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//~^^^^^ ERROR expected element type `u32` of second argument `*const u8` to be a pointer to the element type `u32` of the first argument `Simd<u32, 4>`, found `u32` != `*_ u32`
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simd_masked_load(
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Simd::<u8, 4>([1, 0, 1, 1]),
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arr.as_ptr(),
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default
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);
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//~^^^^^ ERROR expected element type `u8` of third argument `Simd<u8, 4>` to be a signed integer type
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simd_masked_store(
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Simd([-1i8; 4]),
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arr.as_ptr(),
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Simd([5u32; 4])
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);
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//~^^^^^ ERROR expected element type `u32` of second argument `*const u8` to be a pointer to the element type `u32` of the first argument `Simd<u32, 4>`, found `u32` != `*mut u32`
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simd_masked_store(
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Simd([-1i8; 4]),
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arr.as_ptr(),
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Simd([5u8; 4])
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);
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//~^^^^^ ERROR expected element type `u8` of second argument `*const u8` to be a pointer to the element type `u8` of the first argument `Simd<u8, 4>`, found `u8` != `*mut u8`
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simd_masked_store(
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Simd([-1i8; 4]),
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arr.as_mut_ptr(),
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Simd([5u8; 2])
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);
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//~^^^^^ ERROR expected third argument with length 4 (same as input type `Simd<i8, 4>`), found `Simd<u8, 2>` with length 2
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simd_masked_store(
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Simd([1u32; 4]),
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arr.as_mut_ptr(),
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Simd([5u8; 4])
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);
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//~^^^^^ ERROR expected element type `u8` of third argument `Simd<u32, 4>` to be a signed integer type
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}
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}
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